stampa
Login

Enhance your experience with Stelle Doppie.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20480+3917
A 1434 AB


Nearby doubles
11' : 20489+3919
TDT2558

14' : 20490+3925
TDT2560

17' : 20493+3923
SEI1263AB

28' : 20457+3917
SEI1241

28' : 20498+3900
MLB 983

28' : 20478+3944
GRV 381

29' : 20461+3858
CRB 11

29' : 20471+3850
HJ 1575

33' : 20490+3947
STF2731AB

36' : 20510+3915
SEI1279AB

36' : 20459+3852
COU2294

38' : 20449+3908
SEI1236

38' : 20478+3840
SEI1251

39' : 20476+3839
SEI1249

39' : 20453+3854
SEI1239

41' : 20514+3927
TDT2581

41' : 20445+3921
HJ 1572

41' : 20509+3855
SEI1278

42' : 20481+3958
CVR 231

45' : 20486+4000
TOB 198

45' : 20484+4002
SEI1255AB

46' : 20519+3911
SEI1283

47' : 20441+3927
ES 1981

47' : 20498+3958
SEI1267

48' : 20514+3945
MLB 779AB

48' : 20515+3944
DAM 317AB



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 20480+3917 : COMPONENTS
 
 
  A B
B pa=178.7°
sep=0.04"
 
C pa=252.0°
sep=1.98"
pa=253.1°
sep=1.97"
 
 
20480+3917 A
 
 
Coord arcsec 2000 204759.59+391715.8 Mag 7.8 Spectral class A7Iape (white) PmRA -4.00
PmDE -2.0 SAO 70517 HIP 102648 Tycho2 3166-00772-1
HD 198287 GC 29010 BD BD+38 4235
Tycho2
Tycho2 3166-00772-1 Pflag RAmdeg 311.99826294 DEmdeg 39.28770032
PmRA -5.3 PmDE -3.6 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.31 EpDEm 1991.41
Num 16 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 7.869 E BTmag 0.014 VTmag 7.140
E VTmag 0.010 Prox 999 TYC T HIP 102648
CCDM RAdeg 311.99827917 DEdeg 39.28770861 EpRA 1990 1.66
EpDE 1990 1.69 E RAdeg 4.1 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 70517 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 -0.006 Vmag 7 SpType +++
Double code Source 70 CatNum 29010 DM BD+38 4235
DMcomp BDsup HD 198287 M HD 9
GC 29010 RA1950rad 5.43716635 DE1950rad 0.68246426 PmRA2000 -0.0009
PmDE2000 -0.009
Hipparcos
Catalog H HIP 102648 Proxy RAhms 20 47 59.59
DEdms +39 17 15.8 Vmag 7 VarFlag 3 R Vmag H
RAdeg 311.998 DEdeg 39.2877 AstroRef Plx 0.88
CCDM 20480+3917 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 198287 BD BD+38 4235
CD CP Dm number +38 4235 VIred 0.69
SpType A7Ia R SpType Coord arcsec 2000 204759.59+391715.8
Hipparcos 2
HIP 102648 Sn 5 So 0 Nc 1
RArad 5.445397274 DErad 0.6856999108 Plx 1.74 PmRA -3.77
PmDE -3.91 E RArad 0.31 E DErad 0.35 E Plx 0.43
E pmRA 0.31 E pmDE 0.4 Hpmag 7.1357 E Hpmag 0.0105
SHp 0.175 VA 1 BV 0.67 E BV 0.02
VI 0.73
CCDM
Ccdm 20480+3917 RComp Comp A Note1
Note2 Discov num DRAs -0.39 DDEs 16.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.8 Sp F5 PmNote *
PmRA 6 PmDE 8 Dm number +38 4235 Cat1 BD
Name2 +39 2197 Cat2 AGK2/3 HD 198287 M HD
ADS BDS A14314 M ADS BDS N IDS IDS 20442N3855A
HIC 102648
 
 
20480+3917 B
 
 
Coord arcsec 2000 204759.59+391715.8 Mag 7.8 Spectral class F5 (yellow-white) Calc coord yes
CCDM
Ccdm 20480+3917 RComp Comp B Note1
Note2 Discov num A 1434 DRAs DDEs
R dRAs Year 1953 Theta 050 Rho 0.1
Obs 2 Vmag 7.8 Sp A3 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 198288 M HD
ADS BDS A14314 M ADS BDS N N IDS IDS 20442N3855B
HIC 102648
 
 
20480+3917 C
 
 
Coord arcsec 2000 204759.43+391715.2 Mag 13.7 Calc delta mag 5.9 Calc coord yes
CCDM
Ccdm 20480+3917 RComp Comp C Note1
Note2 Discov num A 1434 DRAs DDEs
R dRAs Year 1906 Theta 255 Rho 2.3
Obs 4 Vmag 13.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14314 M ADS BDS N IDS IDS 20442N3855C
HIC 102648